New FreeBSD snapshots available: stable/10 (20150625 r284813)
Kurt Lidl
lidl at pix.net
Wed Jul 1 12:15:44 UTC 2015
On 6/30/15 10:54 PM, Glen Barber wrote:
> Kurt, could you please create a PR and point me to the PR number so RE
> can put it on our watch list?
The PR is: 201245
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=201245
I put the short version of the panic backtrace in the bug, and
attached the full core.txt.0 file to the bug as well, as it
contains the detailed backtrace.
-Kurt
>>>> On Jun 30, 2015, at 22:14 , Kurt Lidl <lidl at pix.net> wrote:
>>>>> I got all excited and decided to give it a try on my dual-cpu
>>>>> V240 as well. I was able to get it installed, but it panics
>>>>> when booting off the mirrored ZFS drives. (Note: I have no
>>>>> reason to believe this is ZFS related.)
>>>>>
>>>>> ---- snip, snip ----
>>>>> Setting hostname: spork.pix.net.
>>>>> bge0: link state changed to DOWN
>>>>> spin lock 0xc0cb9e38 (smp rendezvous) held by 0xfffff80003e93240 (tid 100340) too long
>>>>> timeout stopping cpus
>>>>> panic: spin lock held too long
>>>>> cpuid = 1
>>>>> KDB: stack backtrace:
>>>>> #0 0xc0575380 at panic+0x20
>>>>> #1 0xc0558e10 at _mtx_lock_spin_failed+0x50
>>>>> #2 0xc0558ed8 at _mtx_lock_spin_cookie+0xb8
>>>>> #3 0xc08d7b9c at tick_get_timecount_mp+0xdc
>>>>> #4 0xc0583c88 at binuptime+0x48
>>>>> #5 0xc08a3b8c at timercb+0x6c
>>>>> #6 0xc08d7f00 at tick_intr+0x220
>>>>> Uptime: 29s
>>>>> Dumping 8192 MB (4 chunks)
>>>>> chunk at 0: 2147483648 bytes ... ok
>>>>> chunk at 0x100000000: 2147483648 bytes ... ok
>>>>> chunk at 0x1000000000: 2147483648 bytes ... ok
>>>>> chunk at 0x1100000000: 2147483648 bytes ... ok
>>>>>
>>>>> Dump complete
>>>>> ---- snip, snip ----
>>>>>
>>>>> Now the thing that amazes me is that this happened
>>>>> the first three times after I did the install, and
>>>>> on the fourth boot, it didn't panic. And it was
>>>>> able to 'savecore' the crashdump.
>>>>>
>>>>> Here's the stacktrace from the core.txt.0 file:
>>>>>
>>>>> -Kurt
>>>>>
>>>>> Reading symbols from /boot/kernel/zfs.ko.symbols...done.
>>>>> Loaded symbols for /boot/kernel/zfs.ko.symbols
>>>>> Reading symbols from /boot/kernel/opensolaris.ko.symbols...done.
>>>>> Loaded symbols for /boot/kernel/opensolaris.ko.symbols
>>>>> Reading symbols from /boot/kernel/geom_mirror.ko.symbols...done.
>>>>> Loaded symbols for /boot/kernel/geom_mirror.ko.symbols
>>>>> Reading symbols from /boot/kernel/tmpfs.ko.symbols...done.
>>>>> Loaded symbols for /boot/kernel/tmpfs.ko.symbols
>>>>> #0 0x00000000c05745bc in doadump (textdump=<value optimized out>)
>>>>> at /usr/src/sys/kern/kern_shutdown.c:262
>>>>> 262 savectx(&dumppcb);
>>>>> (kgdb) #0 0x00000000c05745bc in doadump (textdump=<value optimized out>)
>>>>> at /usr/src/sys/kern/kern_shutdown.c:262
>>>>> #1 0x00000000c0574fb0 in kern_reboot (howto=260)
>>>>> at /usr/src/sys/kern/kern_shutdown.c:451
>>>>> #2 0x00000000c0575358 in vpanic (fmt=0xc0b22fe0 "spin lock held too long",
>>>>> ap=0x1fa2da638) at /usr/src/sys/kern/kern_shutdown.c:758
>>>>> #3 0x00000000c0575388 in panic (fmt=0xc0b22fe0 "spin lock held too long")
>>>>> at /usr/src/sys/kern/kern_shutdown.c:687
>>>>> #4 0x00000000c0558e18 in _mtx_lock_spin_failed (m=0xc0cb9e38)
>>>>> at /usr/src/sys/kern/kern_mutex.c:561
>>>>> #5 0x00000000c0558ee0 in _mtx_lock_spin_cookie (c=0xfffff80003e93240,
>>>>> tid=18446735277669594832, opts=0, file=0x0, line=0)
>>>>> at /usr/src/sys/kern/kern_mutex.c:608
>>>>> #6 0x00000000c08d7ba4 in tick_get_timecount_mp (tc=0xc0d13378) at smp.h:206
>>>>> #7 0x00000000c0583c90 in binuptime (bt=0x1fa2da980)
>>>>> at /usr/src/sys/kern/kern_tc.c:188
>>>>> #8 0x00000000c08a3b94 in timercb (et=0xc0d13308, arg=<value optimized out>)
>>>>> at time.h:418
>>>>> #9 0x00000000c08d7f08 in tick_intr (tf=0x1fa2dab20)
>>>>> at /usr/src/sys/sparc64/sparc64/tick.c:252
>>>>> #10 0x00000000c00a11bc in tl1_intr ()
>>>>> #11 0x00000000c08c934c in spinlock_exit ()
>>>>> at /usr/src/sys/sparc64/sparc64/machdep.c:244
>>>>> #12 0x00000000c08c9330 in spinlock_exit ()
>>>>> at /usr/src/sys/sparc64/sparc64/machdep.c:240
>>>>> #13 0x00000000c051a194 in cnputs (p=0x1fa2db11a "")
>>>>> at /usr/src/sys/kern/kern_cons.c:530
>>>>> #14 0x00000000c05c06e0 in putchar (c=10, arg=0x1fa2db0c8)
>>>>> at /usr/src/sys/kern/subr_prf.c:437
>>>>> #15 0x00000000c05bee90 in kvprintf (fmt=0xc0b2fb95 "",
>>>>> func=0xc05c02e0 <putchar>, arg=0x1fa2db0c8, radix=10, ap=0x1fa2db300)
>>>>> at /usr/src/sys/kern/subr_prf.c:655
>>>>> #16 0x00000000c05bfe80 in _vprintf (level=5, flags=1,
>>>>> fmt=0xc0b2fb78 "%s: link state changed to %s\n", ap=0x1fa2db2f0)
>>>>> at /usr/src/sys/kern/subr_prf.c:281
>>>>> #17 0x00000000c05c0270 in log (level=5,
>>>>> fmt=0xc0b2fb78 "%s: link state changed to %s\n")
>>>>> at /usr/src/sys/kern/subr_prf.c:308
>>>>> #18 0x00000000c064ec28 in do_link_state_change (arg=0xfffff80003396800,
>>>>> pending=1) at /usr/src/sys/net/if.c:2131
>>>>> #19 0x00000000c05cab38 in taskqueue_run_locked (queue=0xfffff80003288000)
>>>>> at /usr/src/sys/kern/subr_taskqueue.c:342
>>>>> #20 0x00000000c05cacec in taskqueue_run (queue=0xfffff80003288000)
>>>>> at /usr/src/sys/kern/subr_taskqueue.c:358
>>>>> #21 0x00000000c05cae20 in taskqueue_swi_run (dummy=0x0)
>>>>> at /usr/src/sys/kern/subr_taskqueue.c:471
>>>>> #22 0x00000000c0539cc4 in intr_event_execute_handlers (p=0xfffff80003295860,
>>>>> ie=0xfffff80003287e00) at /usr/src/sys/kern/kern_intr.c:1264
>>>>> #23 0x00000000c053b86c in ithread_loop (arg=0xfffff8000324c080)
>>>>> at /usr/src/sys/kern/kern_intr.c:1277
>>>>> #24 0x00000000c0536428 in fork_exit (callout=0xc053b780 <ithread_loop>,
>>>>> arg=0xfffff8000324c080, frame=0x1fa2db880)
>>>>> at /usr/src/sys/kern/kern_fork.c:1018
>>>>> #25 0x00000000c00a1270 in fork_trampoline ()
>>>>> #26 0x00000000c00a1270 in fork_trampoline ()
>>>>> Previous frame identical to this frame (corrupt stack?)
>>>>> (kgdb)
>>>>>
>>>>>
>>>>> _______________________________________________
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>>>>>
>>>>
>>>
>>>
>>
>
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